Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 355, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 10, 1990, 6:03 PM EDT for Clayton County, Georgia. It was in force for 27 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 10, 1990, 6:03 PM EDT (22:03 UTC)
- Expired
- Sep 10, 1990, 6:30 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Clayton County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 10, 6:15 PM EDT | Thunderstorm Wind 0 | Clayton, GA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 10.1 hours before the alert went out and 108 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 102205 SVRATL GAC063-102230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 603 PM EDT MON SEP 10 1990 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...NORTHERN CLAYTON COUNTY AT 6 PM... WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM NEAR FOREST PARK IN NORTH CLAYTON COUNTY...ABOUT 5 MILES EAST OF THE ATLANTA INTERNATIONAL AIRPORT. THIS STORM WAS NEARLY STATIONARY. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Sep 10, 4:46 PM EDT, 1 hour 17 minutes before
GAZ006-008-009-102245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 445 PM EDT MON SEP 10 1990 AT 440 PM WEATHER RADAR IN MACON SHOWED STRONG THUNDERSTORMS ACROSS CENTRAL GEORGIA. THE STRONGEST THUNDERSTORMS WERE LOCATED FROM MONTICELLO GEORGIA IN JASPER COUNTY AND EXTENDED SOUTH TO MACON. OTHER STRONG THUNDERSTORMS WERE NOTED BETWEEN HAWKINSVILLE AND EASTMAN GEORGIA. THESE STORMS SHOWED LITTLE MOVEMENT. HEAVY RAINFALL..GUSTY WINODS..DANGEROUS CLOUD TO GROUND LIGHTNING AND SMALL HAIL MAY BE PRODUCED BY SOME OF THESE THUNDERSTORMS. PERSONS IN OR NEAR THESE THUNDERSTORMS SHOULD REMAIN INDOORS UNTIL THEY MOVE OUT OF THE AREA.
Special weather statement, Sep 10, 4:54 PM EDT, 1 hour 9 minutes before
GAZ002-004-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 452 PM EDT MON SEP 10 1990 AT 445 PM EDT SEVERAL THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE INDICATED IN HALL COUNTY OF NORTHEAST GEORGIA. THE THUNDERSTORM WITH THE HEAVIEST RAINFALL WAS ABOUT 7 MILES NORTHEAST OF BUFORD GEORGIA. THESE STORMS SHOWED VERY LITTLE MOVEMENT. PERSONS IN HALL COUNTY SHOULD BE ON THE ALERT FOR THE NEXT COUPLE OF HOURS FOR THREATENING WEATHER CONDITIONS. THUNDERSTORMS WERE DEVELOPING OVER ALL OF NORTHEAST GEORGIA AND ALL PERSONS IN NORTHEAST GEORGIA SHOULD BE ON THE ALERT FOR THREATENING CONDITIONS. BRIEF HEAVY RAINFALLL...GUSTY SURFACE WINDS...DANGEROUS CLOUD TO GROUND LYIGHTNING AND SMALL HAIL ARE POSSIBLE WITH THESE THUNDERSTORMS.
Special weather statement, Sep 10, 5:20 PM EDT, 43 minutes before
GAZ001-3 102100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 515 PM WEATHER SERVICE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORM WAS LOCATED NEAR DULUTH IN GWINNETT COUNTY AT 515 PM. A HAM RADIO SPOTTER REPORTED HAIL UP TO 1/2 INCH IN DIAMETER AND WINDS ESTIMATED AT 45 MPH WITH THIS STORM. OTHER STRONG STORMS WERE LOCATED IN FLOYD COUNTY NEAR ROME...AND NEAR WOODBURY IN MERIWETHER COUNTY. THESE STORMS ARE MOVING VERY SLOWLY... AND HEAVY RAINS ALONG WITH DANGEROUS LIGHTNING CAN ALSO BE EXPECTED. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER NsORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. STAY TUNED FOR LAYER INFORMATION.
Special weather statement, Sep 10, 5:21 PM EDT, 42 minutes before
GAZ001-003 102215 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 515 PM WEATHER SERVICE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORM WAS LOCATED NEAR DULUTH IN GWINNETT COUNTY AT 515 PM. A HAM RADIO SPOTTER REPORTED HAIL UP TO 1/2 INCH IN DIAMETER AND WINDS ESTIMATED AT 45 MPH WITH THIS STORM. OTHER STRONG STORMS WERE LOCATED IN FLOYD COUNTY NEAR ROME...AND NEAR WOODBURY IN MERIWETHER COUNTY. THESE STORMS ARE MOVING VERY SLOWLY... AND HEAVY RAINS ALONG WITH DANGEROUS LIGHTNING CAN ALSO BE EXPECTED. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP vOVER NORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. STAY TUNED FOR LAYER INFORMATION.
Special weather statement, Sep 10, 5:22 PM EDT, 41 minutes before
GAZ001-003-102215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT MON SEP 10 1990 ...THUNDERSTORMS OVER NORTHWEST GEORGIA... AT 515 PM WEATHER SERVICE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS OVER NORTHWEST GEORGIA. THE STRONGEST STORM WAS LOCATED NEAR DULUTH IN GWINNETT COUNTY AT 515 PM. A HAM RADIO SPOTTER REPORTED HAIL UP TO 1/2 INCH IN DIAMETER AND WINDS ESTIMATED AT 45 MPH WITH THIS STORM. OTHER STRONG STORMS WERE LOCATED IN FLOYD COUNTY NEAR ROME...AND NEAR WOODBURY IN MERIWETHER COUNTY. THESE STORMS ARE MOVING VERY SLOWLY... AND HEAVY RAINS ALONG WITH DANGEROUS LIGHTNING CAN ALSO BE EXPECTED. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOPx OVER NORTHWEST GEORGIA FOR THE NEXT SEVERAL HOURS. STAY TUNED FOR LAYER INFORMATION.
Special weather statement, Sep 10, 6:03 PM EDT, 0 minutes before
GAZ004-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 600 PM EDT MON SEP 10 1990 AT 555 PM EDT A CLUSTER OF THUNDERSTORMS...SOME WITH HEAVY RAINFALL... WERE INDICATED IN EASTERN MADISON AND WEST ELBERT COUNTIES OF NORTHEAST GEORGIA DRIFTING NORTHEAST AT ABOUT 5 MILES AN HOUR. PERSONS IN EAST MADISON...WEST ELBERT AND HART COUNTIES OF NORTHEAST GEORGIA SHOULD BE ON THE ALERT FOR THREATENING WEATHERN CONDITIONS FOR THE NEXT HOUR OR SO. BRIEF HEAVY DOWNPOURS...BRIEF GUSTY SURFACE WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 1:14 AM EDT | Severe Thunderstorm Warning | FFC | Fannin | 46 min |
| Sep 10, 4:42 AM EDT | Severe Thunderstorm Warning | FFC | Fulton | 48 min |
| Sep 10, 2:44 PM EDT | Severe Thunderstorm Warning | FFC | Twiggs | 46 min |
| Sep 10, 3:06 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 69 min |
| Sep 10, 3:13 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Houston | 62 min |
| Sep 10, 5:26 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 34 min |
| Sep 10, 5:41 PM EDT | Severe Thunderstorm Warning | FFC | Fulton | 34 min |
| Sep 10, 5:52 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 38 min |
| Sep 10, 6:28 PM EDT | Severe Thunderstorm Warning | FFC | Columbia, Richmond | 47 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.